Charles Minoru Okamura, M.D.
NPI 1427254192ActiveIndividual· Internal Medicine· Hilo, HI
Internal Medicine (M.D.) in Hilo, Hawaii, trained at New York University School of Medicine (class of 2004). Their prescriptions cost Medicare Part D more than their services did: $43,235 for 657 claims, against $2,590 paid for services in 2024. Abbvie Inc. reported $27.15 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1427254192 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jun 21, 2007 |
| Last updated in NPPES | Aug 12, 2024 |
| Certified by provider | Mar 7, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 21499 | HI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (HI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 14 |
|---|---|
| Services billed | 39 across 8 procedure codes |
| Paid by Medicare | $2,590 |
Part D prescriptions in 2024
| Prescriptions (claims) | 657 · 687 30-day fills |
|---|---|
| Patients | 41 |
| Total drug cost | $43,235 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | New York University School of Medicine |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Internal Medicine |
Hospital affiliation
- Hilo Benioff Medical CenterHilo, HI
Other facilities
- DBA Hawai'I Care ChoicesHospice · Hilo, HI
- Hilo Benioff Medical CenterNursing home · Hilo, HI
- Yukio Okutsu State Veterans HomeNursing home · Hilo, HI
Industry payments (Open Payments)
- 2025$27.15 · 1 payment from 1 company
- 2024$18.78 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $27.15 | 1 |
What the 2025 payments were for
- Food and Beverage$27.15 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 49 internal medicine physicians in Hilo · All internal medicine physicians in Hawaii